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EXPERIMFNTAI 



EXPERIMENTAL 



FIGHTER 



XF-85 




MCDONNELL 



Wing area 100.5 sq ft 

Span 21.1 ft 



Length 14.8 ft 

(Flt.Pos. 8.3) 



Height 



(Wgs.Fold. 10.9) 



ft 



AVAILABILITY 


PROCUREMENT 


Number available 


Number to be delivered in fiscal years 


ACTIVE 


RESERVE 


TOTAL 

























STATUS 


l. 


Letter of contract date: 16 July 1946 


EXPERIMENTAL 


2. 


Number on contract: Two 




3. 


Contract number: AC-13496 




4. 


First flight: 23 August 1948 





POWER PLANT 



(1) Turbo-Jet 
J 34 -WE -22 
WestinghOuse 



S.L. Static 

T.O: 
Max: 
Nor: 



LB - RPM 

3000 - 12,500 
3000 - 12,500 
2290 - 11,500 



FEATURES 



Crew: 

Folding Wings 

Speed Brakes 

Cabin Pressurization 

Cabin Heating and Cooling 

Ejection Seat, Canopy and 

Windshield 
Sky Hook 

Anti *'G" Suit Prov. 



ARM AM ENT 


Turrets: 


None 


Guns: 


(4) .50 cal 


Ammunition: 


1200 rds 


Gun Camera: 


AN-N6 



7 JUNE 1949 



XF-85 



EXPERIMENTAL 



0.X J I T j A k 



g/uwictenteticA Summon^ XF-85 



AIR LAUNCHED 






fe> 40,000 FT. 



PERFORMANCE 


ENDURANCE 


COMBAT SPEED 


77 minutes at 372 knots at 40,000 ft 
or 

20 minutes at 498 knots plus 
32 minutes at 372 knots at 40,000 feet. 


v3 5 knots at 
35,000 ft alt, max power 


MAXIMUM SPEED 


v3 knots at 
zero ft alt, max power 


CLIMB 


CEILING 


TAKE-OFF 


* fpm 

sea level, take-off weight 
normal power 


— — — ft 

100 fpm, take-off weight 
normal power 


AIR LAI 

no assist 


[INCHED 

ft 

assisted 


12,500 *- 

sea level, .combat weight 
maximum power 


46,750 « 

500 fpm, combat weight 
maximum power 


AIR LA 

no assist 


UNCHED 

assisted 


LOAD 


WEIGHTS 


STALLING SPEED 


Ammunition: 

1200 rds/.50 cal 

Fuel: 115 gal 
protected 100 % 
droppable % 
external % 


Empty 3984 lb 

Combat... 5600 lb 
Take - off 5600 lb 

♦Design gross weight 


knots 

flaps down, take-off weight 


TIME TO CLIMB 


5.1 min. 
S.L. to 35,000 ft. 



NOTES 



1. PERFORMANCE BASIS: NACA standard conditions no wind, single airplane; 

2. Performance based on manufacturer's estimates for design conditions. 

3. REVISION BASIS: Initial issue 



XF-85 



7 JUNE 1949